@misc{indiciae02c80b192649,
  title = {Letter: Substitute for amphetamine.},
  author = {J H Willis},
  year = {1973},
  doi = {10.1016/s0140-6736(73)92704-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4127352/},
  note = {Source identifier: 4127352}
}